000 00283nam a2200121Ia 4500
100 _aKatyal, Timmy & Satake, M
020 _a81-7041-123-8
942 _cBK
245 _aEnvironmental Pollution
260 _aAnmol, New delhi
_c1989
082 _a363.739 Kat/Sat
300 _avii; 307
999 _c64514
_d64514